/**
 *
 * a_b_c  d_e f_g_h_j
 * @author jltxseo
 *         Created by junlintianxia on 2017/06/14.
 */

fun main(args: Array<String>){
   args.flatMap {  //第一次展开
       it.split("_")
   }.map {  //二次扁平
       println("$it ${it.length}")
   }

}